(19)
(11) EP 3 446 416 A1

(12)

(43) Date of publication:
27.02.2019 Bulletin 2019/09

(21) Application number: 17795732.1

(22) Date of filing: 15.05.2017
(51) International Patent Classification (IPC): 
H04B 7/06(2006.01)
(86) International application number:
PCT/IB2017/052863
(87) International publication number:
WO 2017/195183 (16.11.2017 Gazette 2017/46)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 13.05.2016 US 201662336287 P

(71) Applicant: Huawei Technologies Co., Ltd.
Longgang District Shenzhen, Guangdong 518129 (CN)

(72) Inventors:
  • WU, Lu
    Shenzen Guangdong 518129 (CN)
  • HAN, Wei
    Shenzen Guangdong 518129 (CN)
  • SHANG, Peng
    Shenzen Guangdong 518129 (CN)
  • LIU, Jin
    Shenzen Guangdong 518129 (CN)
  • BI, Xiaoyan
    Shenzen Guangdong 518129 (CN)
  • GE, Shibin
    Shenzen Guangdong 518129 (CN)
  • CHEN, Dageng
    Shenzen Guangdong 518129 (CN)

(74) Representative: Körber, Martin Hans 
Mitscherlich PartmbB Patent- und Rechtsanwälte Sonnenstrasse 33
80331 München
80331 München (DE)

   


(54) PRECODING AND CHANNEL STATE INFORMATION ACQUISITION FOR MULTI-STREAM TRANSMISSIONS IN MASSIVE MIMO SYSTEMS